Note from Don A. MacRae (1998):

Now for the glass slide:

H.A. Waddington, 31 Gould Street, Toronto.  [early 1940s?]

The Swift Canadian Co. factory where Bert Topham worked.  Photo courtesy of Lynn Kirk.

Note by EBriggs on Tue, 2013-10-08 13:45: Intersection of Keele and St. Clair.

Bert Topham's truss telescope.  Bert is at the far right.  Photo courtesy of Lynn Kirk.

105 Regent Street, Toronto (rear view) as it appeared in 2010. (See also, front view.)

Bert Topham's first dome, Topham's Top, which he purchased second-hand and trucked across Toronto, was perched above the sunroom (see Scientific American, November 1937).

Photo courtesy of Lynn Kirk.

105 Regent Street, Toronto as it appeared in 2010.  John Pilkington and Bert Topham built this house.  Bert's first observatory, "Topham's Top," was perched above a sunroom at the rear of this house. Photo courtesy of Lynn Kirk. (See also, rear view.)

Regent Street runs parallel to Keele Street. 105 is on the east side of the street, north of Rogers Road.—WM